PHP-Parser/test/PHPParser/Tests/Serializer/XMLTest.php

<?php

class PHPParser_Tests_Serializer_XMLTest extends PHPUnit_Framework_TestCase
{
    /**
     * @covers PHPParser_Serializer_XML<extended>
     */
    public function testSerialize() {
        $code = <<<CODE
<?php
/** doc comment */
function functionName(&\$a = 0, \$b = 1.0) {
    echo 'Foo';
}
CODE;
        $xml = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<AST xmlns:node="http://nikic.github.com/PHPParser/XML/node" xmlns:subNode="http://nikic.github.com/PHPParser/XML/subNode" xmlns:scalar="http://nikic.github.com/PHPParser/XML/scalar">
  <scalar:array>
    <node:Stmt_Function line="3" docComment="/** doc comment */">
      <subNode:byRef>
        <scalar:false/>
      </subNode:byRef>
      <subNode:params>
        <scalar:array>
          <node:Param line="3">
            <subNode:name>
              <scalar:string>a</scalar:string>
            </subNode:name>
            <subNode:default>
              <node:Scalar_LNumber line="3">
                <subNode:value>
                  <scalar:int>0</scalar:int>
                </subNode:value>
              </node:Scalar_LNumber>
            </subNode:default>
            <subNode:type>
              <scalar:null/>
            </subNode:type>
            <subNode:byRef>
              <scalar:true/>
            </subNode:byRef>
          </node:Param>
          <node:Param line="3">
            <subNode:name>
              <scalar:string>b</scalar:string>
            </subNode:name>
            <subNode:default>
              <node:Scalar_DNumber line="3">
                <subNode:value>
                  <scalar:float>1</scalar:float>
                </subNode:value>
              </node:Scalar_DNumber>
            </subNode:default>
            <subNode:type>
              <scalar:null/>
            </subNode:type>
            <subNode:byRef>
              <scalar:false/>
            </subNode:byRef>
          </node:Param>
        </scalar:array>
      </subNode:params>
      <subNode:stmts>
        <scalar:array>
          <node:Stmt_Echo line="4">
            <subNode:exprs>
              <scalar:array>
                <node:Scalar_String line="4">
                  <subNode:value>
                    <scalar:string>Foo</scalar:string>
                  </subNode:value>
                </node:Scalar_String>
              </scalar:array>
            </subNode:exprs>
          </node:Stmt_Echo>
        </scalar:array>
      </subNode:stmts>
      <subNode:name>
        <scalar:string>functionName</scalar:string>
      </subNode:name>
    </node:Stmt_Function>
  </scalar:array>
</AST>
XML;

        $parser     = new PHPParser_Parser;
        $serializer = new PHPParser_Serializer_XML;

        $stmts = $parser->parse(new PHPParser_Lexer($code));
        $this->assertXmlStringEqualsXmlString($xml, $serializer->serialize($stmts));
    }

    /**
     * @expectedException        InvalidArgumentException
     * @expectedExceptionMessage Unexpected node type
     */
    public function testError() {
        $serializer = new PHPParser_Serializer_XML;
        $serializer->serialize(array(new stdClass));
    }
}